Bethenny Frankel of "The Real Housewives of New York City" will make a guest appearance on an upcoming season of the Beverly Hills "Housewives," according to E! News. Here, Frankel visits "After The Bell" on FOX Business Network in Manhattan on June 9, 2015. Photo Credit: Getty Images / Rob Kim

E! News said Bethenny Frankel, who turns 45 next week, of Bravo's "The Real Housewives of New York City," told the entertainment network she will make a guest appearance on the upcoming new season of "The Real Housewives of Beverly Hills," shot this summer when some of that show's cast members were staying in the Hamptons.

And longtime "Real Housewives of Atlanta" cast member NeNe Leakes, 47, who announced in June she would not return for that show's upcoming eighth season, will make an unspecified number of guest appearances, E! said.